Harddisk failure causes system crash, please help

David Naylor blackdragon at highveldmail.co.za
Thu Nov 8 13:06:47 PST 2007


I have been using this laptop for a few months now with FreeBSD without any
problems with the hard disk however today as I installed editors/vim the
system crashed (without a core dump or any message).

When ever the system boots (and proceeds to do a fsck on ad0e (/usr)) it
also crashes without any message.  I have tried the following commands:

# dd if=/dev/ad0 of=/dev/null bs=1M     ( System crashes)

# smartctl -C -t short     ( Succeeds )
# smartctl -C -t long     ( Failes with a message: ad0: FAILED - SMART timed

If I force the mounting of /usr without fsck then the system does boot (but
I am not sure how stable it is).  I have updated the kernel to cvs RELENG_7
from a few hours ago (and it compiled without a problem after force mounting
(and using tmpfs as obj directory, did not try any other way)

I have no idea what is wrong (if the disk has corrupted should the kernel
not display error messages?).  Can you please help/advise?

Thank you in advance.


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